import time

from selenium import webdriver
from selenium.webdriver import ActionChains
from selenium.webdriver.support.select import Select

driver = webdriver.Chrome()
driver.get('https://news.sina.com.cn/')

time.sleep(1)

driver.find_element_by_xpath('//*[@id="blk_cNav2_01"]/div/a[15]/span').click()


action =  ActionChains(driver)

element = driver.find_element_by_link_text(u'数码')

action.move_to_element(element).perform()

time.sleep(2)

driver.find_element_by_xpath('//*[@id="tech_head"]/div[7]/div/ul/li[1]/a').click()

